40 changed files with 850 additions and 4243 deletions
--- a/.forgejo/logo.svg
+++ b/.forgejo/logo.svg
@ -1,70 +0,0 @@
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--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@ -0,0 +1 @@
 *   @TrueCloudLab/storage-core @TrueCloudLab/storage-services @TrueCloudLab/committers
--- a/.forgejo/ISSUE_TEMPLATE/bug_report.md
+++ b/.forgejo/ISSUE_TEMPLATE/bug_report.md
--- a/.forgejo/ISSUE_TEMPLATE/config.yml
+++ b/.forgejo/ISSUE_TEMPLATE/config.yml
--- a/.forgejo/ISSUE_TEMPLATE/feature_request.md
+++ b/.forgejo/ISSUE_TEMPLATE/feature_request.md
--- a/.golangci.yml
+++ b/.golangci.yml
@ -50,7 +50,7 @@ linters:
    - bidichk
    - durationcheck
    - exhaustive
-    - copyloopvar
+    - exportloopref
    - gofmt
    - goimports
    - misspell
--- a/2
+++ b/2
@ -1,2 +0,0 @@
 .*          @TrueCloudLab/storage-core-committers @TrueCloudLab/storage-core-developers @TrueCloudLab/storage-services-committers @TrueCloudLab/storage-services-developers
 .forgejo/.* @potyarkin
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@ -25,8 +25,7 @@ Start by forking the `frostfs-api-go` repository, make changes in a branch and t
 send a pull request. We encourage pull requests to discuss code changes. Here
 are the steps in details:
-### Set up your repository
+### Set up your GitHub Repository
 Fork [FrostFS node upstream](https://git.frostfs.info/TrueCloudLab/frostfs-api-go/fork) source
 repository to your own personal repository. Copy the URL of your fork (you will
 need it for the `git clone` command below).
@ -87,7 +86,7 @@ $ git push origin feature/123-something_awesome
 ```
 ### Create a Pull Request
-Pull requests can be created via git.frostfs.info. Refer to [this
+Pull requests can be created via GitHub. Refer to [this
 document](https://help.github.com/articles/creating-a-pull-request/) for
 detailed steps on how to create a pull request. After a Pull Request gets peer
 reviewed and approved, it will be merged.
--- a/README.md
+++ b/README.md
@ -1,5 +1,5 @@
 <p align="center">
-<img src="./.forgejo/logo.svg" width="500px" alt="FrostFS">
+<img src="./.github/logo.svg" width="500px" alt="FrostFS">
 </p>
 <p align="center">
  Low-level Golang API for <a href="https://frostfs.info">FrostFS</a>
--- a/accounting/grpc/service_frostfs.pb.go
+++ b/accounting/grpc/service_frostfs.pb.go
@ -98,16 +98,10 @@ func (x *BalanceRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"ownerId\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"ownerId\":"
 		out.RawString(prefix)
 		x.OwnerId.MarshalEasyJSON(out)
 	}
 	out.RawByte('}')
@ -301,35 +295,19 @@ func (x *BalanceRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -474,16 +452,10 @@ func (x *BalanceResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"balance\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"balance\":"
 		out.RawString(prefix)
 		x.Balance.MarshalEasyJSON(out)
 	}
 	out.RawByte('}')
@ -677,35 +649,19 @@ func (x *BalanceResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
--- a/accounting/grpc/service_grpc.pb.go
+++ b/accounting/grpc/service_grpc.pb.go
@ -26,7 +26,7 @@ const (
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type AccountingServiceClient interface {
-	// Returns the amount of funds in GAS token for the requested FrostFS account.
+	// Returns the amount of funds in GAS token for the requested NeoFS account.
 	//
 	// Statuses:
 	// - **OK** (0, SECTION_SUCCESS):
@ -56,7 +56,7 @@ func (c *accountingServiceClient) Balance(ctx context.Context, in *BalanceReques
 // All implementations should embed UnimplementedAccountingServiceServer
 // for forward compatibility
 type AccountingServiceServer interface {
-	// Returns the amount of funds in GAS token for the requested FrostFS account.
+	// Returns the amount of funds in GAS token for the requested NeoFS account.
 	//
 	// Statuses:
 	// - **OK** (0, SECTION_SUCCESS):
--- a/accounting/grpc/types_frostfs.pb.go
+++ b/accounting/grpc/types_frostfs.pb.go
@ -11,7 +11,6 @@ import (
 	easyproto "github.com/VictoriaMetrics/easyproto"
 	jlexer "github.com/mailru/easyjson/jlexer"
 	jwriter "github.com/mailru/easyjson/jwriter"
 	strconv "strconv"
 )
 type Decimal struct {
@ -114,27 +113,14 @@ func (x *Decimal) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"value\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Int64(x.Value)
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		out.RawByte('"')
 		out.Buffer.Buf = strconv.AppendInt(out.Buffer.Buf, x.Value, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"precision\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"precision\":"
 		out.RawString(prefix)
 		out.Uint32(x.Precision)
 	}
@ -169,29 +155,13 @@ func (x *Decimal) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "value":
 			{
 				var f int64
-				r := in.JsonNumber()
+				f = in.Int64()
 				n := r.String()
 				v, err := strconv.ParseInt(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := int64(v)
 				f = pv
 				x.Value = f
 			}
 		case "precision":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Precision = f
 			}
 		}
--- a/acl/grpc/types_frostfs.pb.go
+++ b/acl/grpc/types_frostfs.pb.go
@ -352,55 +352,24 @@ func (x *EACLRecord_Filter) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"headerType\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Int32(int32(x.HeaderType))
 			first = false
 		}
 		const prefix string = "\"headerType\":"
 		out.RawString(prefix)
 		v := int32(x.HeaderType)
 		if vv, ok := HeaderType_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"matchType\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"matchType\":"
 		out.RawString(prefix)
-		v := int32(x.MatchType)
+		out.Int32(int32(x.MatchType))
 		if vv, ok := MatchType_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"key\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		out.String(x.Key)
 	}
 	{
-		if !first {
+		const prefix string = ",\"value\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		out.String(x.Value)
 	}
@ -597,41 +566,21 @@ func (x *EACLRecord_Target) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"role\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Int32(int32(x.Role))
 			first = false
 		}
 		const prefix string = "\"role\":"
 		out.RawString(prefix)
 		v := int32(x.Role)
 		if vv, ok := Role_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"keys\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"keys\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Keys {
 			if i != 0 {
 				out.RawByte(',')
 			}
 			if x.Keys[i] != nil {
 			out.Base64Bytes(x.Keys[i])
 			} else {
 				out.String("")
 			}
 		}
 		out.RawByte(']')
 	}
@ -691,13 +640,7 @@ func (x *EACLRecord_Target) UnmarshalEasyJSON(in *jlexer.Lexer) {
 				var list [][]byte
 				in.Delim('[')
 				for !in.IsDelim(']') {
-					{
+					f = in.Bytes()
 						tmp := in.Bytes()
 						if len(tmp) == 0 {
 							tmp = nil
 						}
 						f = tmp
 					}
 					list = append(list, f)
 					in.WantComma()
 				}
@ -865,45 +808,19 @@ func (x *EACLRecord) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"operation\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Int32(int32(x.Operation))
 			first = false
 		}
 		const prefix string = "\"operation\":"
 		out.RawString(prefix)
 		v := int32(x.Operation)
 		if vv, ok := Operation_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"action\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"action\":"
 		out.RawString(prefix)
-		v := int32(x.Action)
+		out.Int32(int32(x.Action))
 		if vv, ok := Action_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"filters\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"filters\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Filters {
@ -915,12 +832,7 @@ func (x *EACLRecord) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"targets\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"targets\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Targets {
@ -1172,35 +1084,19 @@ func (x *EACLTable) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"version\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"version\":"
 		out.RawString(prefix)
 		x.Version.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"containerID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerID\":"
 		out.RawString(prefix)
 		x.ContainerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"records\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"records\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Records {
@ -1396,43 +1292,21 @@ func (x *BearerToken_Body_TokenLifetime) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"exp\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Uint64(x.Exp)
 			first = false
 		}
 		const prefix string = "\"exp\":"
 		out.RawString(prefix)
 		out.RawByte('"')
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Exp, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"nbf\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"nbf\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.Nbf)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Nbf, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"iat\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"iat\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.Iat)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Iat, 10)
 		out.RawByte('"')
 	}
 	out.RawByte('}')
 }
@ -1465,43 +1339,19 @@ func (x *BearerToken_Body_TokenLifetime) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "exp":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Exp = f
 			}
 		case "nbf":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Nbf = f
 			}
 		case "iat":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Iat = f
 			}
 		}
@ -1622,25 +1472,14 @@ func (x *BearerToken_Body_APEOverride) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"target\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"target\":"
 		out.RawString(prefix)
 		x.Target.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"chains\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"chains\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Chains {
@ -1881,55 +1720,29 @@ func (x *BearerToken_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"eaclTable\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"eaclTable\":"
 		out.RawString(prefix)
 		x.EaclTable.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"ownerID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ownerID\":"
 		out.RawString(prefix)
 		x.OwnerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"lifetime\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"lifetime\":"
 		out.RawString(prefix)
 		x.Lifetime.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"allowImpersonate\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"allowImpersonate\":"
 		out.RawString(prefix)
 		out.Bool(x.AllowImpersonate)
 	}
 	{
-		if !first {
+		const prefix string = ",\"apeOverride\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"apeOverride\":"
 		out.RawString(prefix)
 		x.ApeOverride.MarshalEasyJSON(out)
 	}
@ -2110,25 +1923,14 @@ func (x *BearerToken) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"signature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"signature\":"
 		out.RawString(prefix)
 		x.Signature.MarshalEasyJSON(out)
 	}
--- a/ape/grpc/types_frostfs.pb.go
+++ b/ape/grpc/types_frostfs.pb.go
@ -155,30 +155,14 @@ func (x *ChainTarget) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"type\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Int32(int32(x.Type))
 			first = false
 		}
 		const prefix string = "\"type\":"
 		out.RawString(prefix)
 		v := int32(x.Type)
 		if vv, ok := TargetType_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"name\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"name\":"
 		out.RawString(prefix)
 		out.String(x.Name)
 	}
@ -349,23 +333,13 @@ func (x *Chain) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	switch xx := x.Kind.(type) {
 	case *Chain_Raw:
 		{
-			if !first {
+			const prefix string = ",\"raw\":"
-				out.RawByte(',')
+			out.RawString(prefix[1:])
 			} else {
 				first = false
 			}
 			const prefix string = "\"raw\":"
 			out.RawString(prefix)
 			if xx.Raw != nil {
 			out.Base64Bytes(xx.Raw)
 			} else {
 				out.String("")
 			}
 		}
 	}
 	out.RawByte('}')
@ -401,13 +375,7 @@ func (x *Chain) UnmarshalEasyJSON(in *jlexer.Lexer) {
 			x.Kind = xx
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				xx.Raw = f
 			}
 		}
--- a/apemanager/grpc/service_frostfs.pb.go
+++ b/apemanager/grpc/service_frostfs.pb.go
@ -121,25 +121,14 @@ func (x *AddChainRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"target\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"target\":"
 		out.RawString(prefix)
 		x.Target.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"chain\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"chain\":"
 		out.RawString(prefix)
 		x.Chain.MarshalEasyJSON(out)
 	}
@ -341,35 +330,19 @@ func (x *AddChainRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -511,21 +484,11 @@ func (x *AddChainResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"chainId\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"chainId\":"
 		out.RawString(prefix)
 		if x.ChainId != nil {
 		out.Base64Bytes(x.ChainId)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -558,13 +521,7 @@ func (x *AddChainResponse_Body) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "chainId":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.ChainId = f
 			}
 		}
@ -723,35 +680,19 @@ func (x *AddChainResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -916,31 +857,16 @@ func (x *RemoveChainRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"target\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"target\":"
 		out.RawString(prefix)
 		x.Target.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"chainId\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"chainId\":"
 		out.RawString(prefix)
 		if x.ChainId != nil {
 		out.Base64Bytes(x.ChainId)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -980,13 +906,7 @@ func (x *RemoveChainRequest_Body) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "chainId":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.ChainId = f
 			}
 		}
@ -1145,35 +1065,19 @@ func (x *RemoveChainRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -1477,35 +1381,19 @@ func (x *RemoveChainResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -1650,16 +1538,10 @@ func (x *ListChainsRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"target\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"target\":"
 		out.RawString(prefix)
 		x.Target.MarshalEasyJSON(out)
 	}
 	out.RawByte('}')
@ -1853,35 +1735,19 @@ func (x *ListChainsRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -2029,16 +1895,10 @@ func (x *ListChainsResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"chains\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"chains\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Chains {
 			if i != 0 {
@ -2246,35 +2106,19 @@ func (x *ListChainsResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
--- a/container/grpc/service_frostfs.pb.go
+++ b/container/grpc/service_frostfs.pb.go
@ -121,25 +121,14 @@ func (x *PutRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"container\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"container\":"
 		out.RawString(prefix)
 		x.Container.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"signature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"signature\":"
 		out.RawString(prefix)
 		x.Signature.MarshalEasyJSON(out)
 	}
@ -341,35 +330,19 @@ func (x *PutRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -514,16 +487,10 @@ func (x *PutResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"containerId\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerId\":"
 		out.RawString(prefix)
 		x.ContainerId.MarshalEasyJSON(out)
 	}
 	out.RawByte('}')
@ -717,35 +684,19 @@ func (x *PutResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -913,25 +864,14 @@ func (x *DeleteRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"containerId\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerId\":"
 		out.RawString(prefix)
 		x.ContainerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"signature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"signature\":"
 		out.RawString(prefix)
 		x.Signature.MarshalEasyJSON(out)
 	}
@ -1133,35 +1073,19 @@ func (x *DeleteRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -1465,35 +1389,19 @@ func (x *DeleteResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -1638,16 +1546,10 @@ func (x *GetRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"containerId\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerId\":"
 		out.RawString(prefix)
 		x.ContainerId.MarshalEasyJSON(out)
 	}
 	out.RawByte('}')
@ -1841,35 +1743,19 @@ func (x *GetRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -2060,35 +1946,19 @@ func (x *GetResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"container\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"container\":"
 		out.RawString(prefix)
 		x.Container.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"signature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"signature\":"
 		out.RawString(prefix)
 		x.Signature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"sessionToken\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"sessionToken\":"
 		out.RawString(prefix)
 		x.SessionToken.MarshalEasyJSON(out)
 	}
@ -2297,35 +2167,19 @@ func (x *GetResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -2470,16 +2324,10 @@ func (x *ListRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"ownerId\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"ownerId\":"
 		out.RawString(prefix)
 		x.OwnerId.MarshalEasyJSON(out)
 	}
 	out.RawByte('}')
@ -2673,35 +2521,19 @@ func (x *ListRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -2849,16 +2681,10 @@ func (x *ListResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"containerIds\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerIds\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.ContainerIds {
 			if i != 0 {
@ -3066,35 +2892,19 @@ func (x *ListResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
--- a/container/grpc/types_frostfs.pb.go
+++ b/container/grpc/types_frostfs.pb.go
@ -13,7 +13,6 @@ import (
 	easyproto "github.com/VictoriaMetrics/easyproto"
 	jlexer "github.com/mailru/easyjson/jlexer"
 	jwriter "github.com/mailru/easyjson/jwriter"
 	strconv "strconv"
 )
 type Container_Attribute struct {
@ -116,25 +115,14 @@ func (x *Container_Attribute) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"key\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		out.String(x.Key)
 	}
 	{
-		if !first {
+		const prefix string = ",\"value\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		out.String(x.Value)
 	}
@ -382,59 +370,29 @@ func (x *Container) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"version\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"version\":"
 		out.RawString(prefix)
 		x.Version.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"ownerID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ownerID\":"
 		out.RawString(prefix)
 		x.OwnerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"nonce\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"nonce\":"
 		out.RawString(prefix)
 		if x.Nonce != nil {
 		out.Base64Bytes(x.Nonce)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"basicACL\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"basicACL\":"
 		out.RawString(prefix)
 		out.Uint32(x.BasicAcl)
 	}
 	{
-		if !first {
+		const prefix string = ",\"attributes\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"attributes\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Attributes {
@ -446,12 +404,7 @@ func (x *Container) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"placementPolicy\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"placementPolicy\":"
 		out.RawString(prefix)
 		x.PlacementPolicy.MarshalEasyJSON(out)
 	}
@ -500,27 +453,13 @@ func (x *Container) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "nonce":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Nonce = f
 			}
 		case "basicACL":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.BasicAcl = f
 			}
 		case "attributes":
--- a/docs/release-instruction.md
+++ b/docs/release-instruction.md
@ -35,11 +35,11 @@ Tag a release (must be signed) and push it:
 $ git tag -s vX.Y.Z[-rc.N] && git push origin vX.Y.Z[-rc.N]
 ```
-## Make a proper release
+## Make a Github release
-Using git.frostfs.info web interface create a new release based on just created tag
+Using Github's web interface create a new release based on just created tag
 with the same changes from changelog and publish it.
-## Close milestone
+## Close github milestone
-Close corresponding vX.Y.Z milestone.
+Close corresponding vX.Y.Z github milestone.
--- a/go.mod
+++ b/go.mod
@ -7,9 +7,9 @@ require (
 	github.com/VictoriaMetrics/easyproto v0.1.4
 	github.com/mailru/easyjson v0.7.7
 	github.com/stretchr/testify v1.8.3
-	golang.org/x/sync v0.7.0
+	golang.org/x/sync v0.6.0
-	google.golang.org/grpc v1.66.2
+	google.golang.org/grpc v1.63.2
-	google.golang.org/protobuf v1.34.1
+	google.golang.org/protobuf v1.33.0
 )
 require (
@ -19,10 +19,10 @@ require (
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/mr-tron/base58 v1.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/net v0.21.0 // indirect
-	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -26,20 +26,20 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
 github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
+golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
-golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
+golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
-golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
-golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 h1:1GBuWVLM/KMVUv1t1En5Gs+gFZCNd360GGb4sSxtrhU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de h1:cZGRis4/ot9uVm639a+rHCUaG0JJHEsdyzSQTMX+suY=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117/go.mod h1:EfXuqaE1J41VCDicxHzUDm+8rk+7ZdXzHV0IhO/I6s0=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:H4O17MA/PE9BsGx3w+a+W2VOLLD1Qf7oJneAoU6WktY=
-google.golang.org/grpc v1.66.2 h1:3QdXkuq3Bkh7w+ywLdLvM56cmGvQHUMZpiCzt6Rqaoo=
+google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM=
-google.golang.org/grpc v1.66.2/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
-google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
--- a/lock/grpc/types_frostfs.pb.go
+++ b/lock/grpc/types_frostfs.pb.go
@ -100,16 +100,10 @@ func (x *Lock) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"members\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"members\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Members {
 			if i != 0 {
--- a/netmap/grpc/service_frostfs.pb.go
+++ b/netmap/grpc/service_frostfs.pb.go
@ -257,35 +257,19 @@ func (x *LocalNodeInfoRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -453,25 +437,14 @@ func (x *LocalNodeInfoResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"version\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"version\":"
 		out.RawString(prefix)
 		x.Version.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"nodeInfo\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"nodeInfo\":"
 		out.RawString(prefix)
 		x.NodeInfo.MarshalEasyJSON(out)
 	}
@ -673,35 +646,19 @@ func (x *LocalNodeInfoResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -1005,35 +962,19 @@ func (x *NetworkInfoRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -1178,16 +1119,10 @@ func (x *NetworkInfoResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"networkInfo\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"networkInfo\":"
 		out.RawString(prefix)
 		x.NetworkInfo.MarshalEasyJSON(out)
 	}
 	out.RawByte('}')
@ -1381,35 +1316,19 @@ func (x *NetworkInfoResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -1713,35 +1632,19 @@ func (x *NetmapSnapshotRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -1886,16 +1789,10 @@ func (x *NetmapSnapshotResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"netmap\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"netmap\":"
 		out.RawString(prefix)
 		x.Netmap.MarshalEasyJSON(out)
 	}
 	out.RawByte('}')
@ -2089,35 +1986,19 @@ func (x *NetmapSnapshotResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
--- a/netmap/grpc/service_grpc.pb.go
+++ b/netmap/grpc/service_grpc.pb.go
@ -40,14 +40,14 @@ type NetmapServiceClient interface {
 	// information about the server has been successfully read;
 	// - Common failures (SECTION_FAILURE_COMMON).
 	LocalNodeInfo(ctx context.Context, in *LocalNodeInfoRequest, opts ...grpc.CallOption) (*LocalNodeInfoResponse, error)
-	// Read recent information about the FrostFS network.
+	// Read recent information about the NeoFS network.
 	//
 	// Statuses:
 	// - **OK** (0, SECTION_SUCCESS):
 	// information about the current network state has been successfully read;
 	// - Common failures (SECTION_FAILURE_COMMON).
 	NetworkInfo(ctx context.Context, in *NetworkInfoRequest, opts ...grpc.CallOption) (*NetworkInfoResponse, error)
-	// Returns network map snapshot of the current FrostFS epoch.
+	// Returns network map snapshot of the current NeoFS epoch.
 	//
 	// Statuses:
 	// - **OK** (0, SECTION_SUCCESS):
@ -107,14 +107,14 @@ type NetmapServiceServer interface {
 	// information about the server has been successfully read;
 	// - Common failures (SECTION_FAILURE_COMMON).
 	LocalNodeInfo(context.Context, *LocalNodeInfoRequest) (*LocalNodeInfoResponse, error)
-	// Read recent information about the FrostFS network.
+	// Read recent information about the NeoFS network.
 	//
 	// Statuses:
 	// - **OK** (0, SECTION_SUCCESS):
 	// information about the current network state has been successfully read;
 	// - Common failures (SECTION_FAILURE_COMMON).
 	NetworkInfo(context.Context, *NetworkInfoRequest) (*NetworkInfoResponse, error)
-	// Returns network map snapshot of the current FrostFS epoch.
+	// Returns network map snapshot of the current NeoFS epoch.
 	//
 	// Statuses:
 	// - **OK** (0, SECTION_SUCCESS):
--- a/netmap/grpc/types_frostfs.pb.go
+++ b/netmap/grpc/types_frostfs.pb.go
@ -274,60 +274,29 @@ func (x *Filter) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"name\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"name\":"
 		out.RawString(prefix)
 		out.String(x.Name)
 	}
 	{
-		if !first {
+		const prefix string = ",\"key\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		out.String(x.Key)
 	}
 	{
-		if !first {
+		const prefix string = ",\"op\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"op\":"
 		out.RawString(prefix)
-		v := int32(x.Op)
+		out.Int32(int32(x.Op))
 		if vv, ok := Operation_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"value\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		out.String(x.Value)
 	}
 	{
-		if !first {
+		const prefix string = ",\"filters\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"filters\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Filters {
@ -589,60 +558,29 @@ func (x *Selector) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"name\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"name\":"
 		out.RawString(prefix)
 		out.String(x.Name)
 	}
 	{
-		if !first {
+		const prefix string = ",\"count\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"count\":"
 		out.RawString(prefix)
 		out.Uint32(x.Count)
 	}
 	{
-		if !first {
+		const prefix string = ",\"clause\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"clause\":"
 		out.RawString(prefix)
-		v := int32(x.Clause)
+		out.Int32(int32(x.Clause))
 		if vv, ok := Clause_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"attribute\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"attribute\":"
 		out.RawString(prefix)
 		out.String(x.Attribute)
 	}
 	{
-		if !first {
+		const prefix string = ",\"filter\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"filter\":"
 		out.RawString(prefix)
 		out.String(x.Filter)
 	}
@ -683,15 +621,7 @@ func (x *Selector) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "count":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Count = f
 			}
 		case "clause":
@ -877,45 +807,24 @@ func (x *Replica) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"count\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"count\":"
 		out.RawString(prefix)
 		out.Uint32(x.Count)
 	}
 	{
-		if !first {
+		const prefix string = ",\"selector\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"selector\":"
 		out.RawString(prefix)
 		out.String(x.Selector)
 	}
 	{
-		if !first {
+		const prefix string = ",\"ecDataCount\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ecDataCount\":"
 		out.RawString(prefix)
 		out.Uint32(x.EcDataCount)
 	}
 	{
-		if !first {
+		const prefix string = ",\"ecParityCount\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ecParityCount\":"
 		out.RawString(prefix)
 		out.Uint32(x.EcParityCount)
 	}
@ -950,15 +859,7 @@ func (x *Replica) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "count":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Count = f
 			}
 		case "selector":
@ -970,29 +871,13 @@ func (x *Replica) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "ecDataCount":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.EcDataCount = f
 			}
 		case "ecParityCount":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.EcParityCount = f
 			}
 		}
@ -1182,16 +1067,10 @@ func (x *PlacementPolicy) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"replicas\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"replicas\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Replicas {
 			if i != 0 {
@ -1202,22 +1081,12 @@ func (x *PlacementPolicy) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"containerBackupFactor\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerBackupFactor\":"
 		out.RawString(prefix)
 		out.Uint32(x.ContainerBackupFactor)
 	}
 	{
-		if !first {
+		const prefix string = ",\"selectors\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"selectors\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Selectors {
@ -1229,12 +1098,7 @@ func (x *PlacementPolicy) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"filters\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"filters\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Filters {
@ -1246,12 +1110,7 @@ func (x *PlacementPolicy) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"unique\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"unique\":"
 		out.RawString(prefix)
 		out.Bool(x.Unique)
 	}
@ -1300,15 +1159,7 @@ func (x *PlacementPolicy) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "containerBackupFactor":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.ContainerBackupFactor = f
 			}
 		case "selectors":
@ -1512,35 +1363,19 @@ func (x *NodeInfo_Attribute) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"key\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		out.String(x.Key)
 	}
 	{
-		if !first {
+		const prefix string = ",\"value\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		out.String(x.Value)
 	}
 	{
-		if !first {
+		const prefix string = ",\"parents\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"parents\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Parents {
@ -1759,29 +1594,14 @@ func (x *NodeInfo) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"publicKey\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"publicKey\":"
 		out.RawString(prefix)
 		if x.PublicKey != nil {
 		out.Base64Bytes(x.PublicKey)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"addresses\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"addresses\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Addresses {
@ -1793,12 +1613,7 @@ func (x *NodeInfo) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"attributes\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"attributes\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Attributes {
@ -1810,19 +1625,9 @@ func (x *NodeInfo) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"state\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"state\":"
 		out.RawString(prefix)
-		v := int32(x.State)
+		out.Int32(int32(x.State))
 		if vv, ok := NodeInfo_State_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	out.RawByte('}')
 }
@ -1855,13 +1660,7 @@ func (x *NodeInfo) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "publicKey":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.PublicKey = f
 			}
 		case "addresses":
@ -2028,27 +1827,14 @@ func (x *Netmap) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"epoch\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Uint64(x.Epoch)
 			first = false
 		}
 		const prefix string = "\"epoch\":"
 		out.RawString(prefix)
 		out.RawByte('"')
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Epoch, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"nodes\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"nodes\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Nodes {
@ -2090,15 +1876,7 @@ func (x *Netmap) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "epoch":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Epoch = f
 			}
 		case "nodes":
@ -2224,35 +2002,16 @@ func (x *NetworkConfig_Parameter) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"key\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		if x.Key != nil {
 		out.Base64Bytes(x.Key)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"value\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		if x.Value != nil {
 		out.Base64Bytes(x.Value)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -2285,25 +2044,13 @@ func (x *NetworkConfig_Parameter) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "key":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Key = f
 			}
 		case "value":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Value = f
 			}
 		}
@ -2401,16 +2148,10 @@ func (x *NetworkConfig) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"parameters\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"parameters\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Parameters {
 			if i != 0 {
@ -2614,51 +2355,24 @@ func (x *NetworkInfo) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"currentEpoch\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Uint64(x.CurrentEpoch)
 			first = false
 		}
 		const prefix string = "\"currentEpoch\":"
 		out.RawString(prefix)
 		out.RawByte('"')
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.CurrentEpoch, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"magicNumber\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"magicNumber\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.MagicNumber)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.MagicNumber, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"msPerBlock\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"msPerBlock\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Int64(x.MsPerBlock)
 		out.Buffer.Buf = strconv.AppendInt(out.Buffer.Buf, x.MsPerBlock, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"networkConfig\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"networkConfig\":"
 		out.RawString(prefix)
 		x.NetworkConfig.MarshalEasyJSON(out)
 	}
@ -2693,43 +2407,19 @@ func (x *NetworkInfo) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "currentEpoch":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.CurrentEpoch = f
 			}
 		case "magicNumber":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.MagicNumber = f
 			}
 		case "msPerBlock":
 			{
 				var f int64
-				r := in.JsonNumber()
+				f = in.Int64()
 				n := r.String()
 				v, err := strconv.ParseInt(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := int64(v)
 				f = pv
 				x.MsPerBlock = f
 			}
 		case "networkConfig":
--- a/object/grpc/service_frostfs.pb.go
+++ b/object/grpc/service_frostfs.pb.go
--- a/object/grpc/service_grpc.pb.go
+++ b/object/grpc/service_grpc.pb.go
@ -170,7 +170,7 @@ type ObjectServiceClient interface {
 	//     provided session token has expired.
 	Head(ctx context.Context, in *HeadRequest, opts ...grpc.CallOption) (*HeadResponse, error)
 	// Search objects in container. Search query allows to match by Object
-	// Header's filed values. Please see the corresponding FrostFS Technical
+	// Header's filed values. Please see the corresponding NeoFS Technical
 	// Specification section for more details.
 	//
 	// Extended headers can change `Search` behaviour:
@ -301,20 +301,16 @@ type ObjectServiceClient interface {
 	//     provided session token has expired.
 	PutSingle(ctx context.Context, in *PutSingleRequest, opts ...grpc.CallOption) (*PutSingleResponse, error)
 	// Patch the object. Request uses gRPC stream. First message must set
-	// the address of the object that is going to get patched. If the object's
+	// the address of the object that is going to get patched. If the object's attributes
-	// attributes are patched, then these attrubutes must be set only within the
+	// are patched, then these attrubutes must be set only within the first stream message.
 	// first stream message.
 	//
-	// If the patch request is performed by NOT the object's owner but if the
+	// If the patch request is performed by NOT the object's owner but if the actor has the permission
-	// actor has the permission to perform the patch, then `OwnerID` of the object
+	// to perform the patch, then `OwnerID` of the object is changed. In this case the object's owner
-	// is changed. In this case the object's owner loses the object's ownership
+	// loses the object's ownership after the patch request is successfully done.
 	// after the patch request is successfully done.
 	//
-	// As objects are content-addressable the patching causes new object ID
+	// As objects are content-addressable the patching causes new object ID generation for the patched object.
-	// generation for the patched object. This object id is set witihn
+	// This object id is set witihn `PatchResponse`. But the object id may remain unchanged in such cases:
-	// `PatchResponse`. But the object id may remain unchanged in such cases:
+	// 1. The chunk of the applying patch contains the same value as the object's payload within the same range;
 	// 1. The chunk of the applying patch contains the same value as the object's
 	// payload within the same range;
 	// 2. The patch that reverts the changes applied by preceding patch;
 	// 3. The application of the same patches for the object a few times.
 	//
@ -698,7 +694,7 @@ type ObjectServiceServer interface {
 	//     provided session token has expired.
 	Head(context.Context, *HeadRequest) (*HeadResponse, error)
 	// Search objects in container. Search query allows to match by Object
-	// Header's filed values. Please see the corresponding FrostFS Technical
+	// Header's filed values. Please see the corresponding NeoFS Technical
 	// Specification section for more details.
 	//
 	// Extended headers can change `Search` behaviour:
@ -829,20 +825,16 @@ type ObjectServiceServer interface {
 	//     provided session token has expired.
 	PutSingle(context.Context, *PutSingleRequest) (*PutSingleResponse, error)
 	// Patch the object. Request uses gRPC stream. First message must set
-	// the address of the object that is going to get patched. If the object's
+	// the address of the object that is going to get patched. If the object's attributes
-	// attributes are patched, then these attrubutes must be set only within the
+	// are patched, then these attrubutes must be set only within the first stream message.
 	// first stream message.
 	//
-	// If the patch request is performed by NOT the object's owner but if the
+	// If the patch request is performed by NOT the object's owner but if the actor has the permission
-	// actor has the permission to perform the patch, then `OwnerID` of the object
+	// to perform the patch, then `OwnerID` of the object is changed. In this case the object's owner
-	// is changed. In this case the object's owner loses the object's ownership
+	// loses the object's ownership after the patch request is successfully done.
 	// after the patch request is successfully done.
 	//
-	// As objects are content-addressable the patching causes new object ID
+	// As objects are content-addressable the patching causes new object ID generation for the patched object.
-	// generation for the patched object. This object id is set witihn
+	// This object id is set witihn `PatchResponse`. But the object id may remain unchanged in such cases:
-	// `PatchResponse`. But the object id may remain unchanged in such cases:
+	// 1. The chunk of the applying patch contains the same value as the object's payload within the same range;
 	// 1. The chunk of the applying patch contains the same value as the object's
 	// payload within the same range;
 	// 2. The patch that reverts the changes applied by preceding patch;
 	// 3. The application of the same patches for the object a few times.
 	//
--- a/object/grpc/types_frostfs.pb.go
+++ b/object/grpc/types_frostfs.pb.go
@ -304,84 +304,39 @@ func (x *ShortHeader) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"version\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"version\":"
 		out.RawString(prefix)
 		x.Version.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"creationEpoch\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"creationEpoch\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.CreationEpoch)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.CreationEpoch, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"ownerID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ownerID\":"
 		out.RawString(prefix)
 		x.OwnerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"objectType\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"objectType\":"
 		out.RawString(prefix)
-		v := int32(x.ObjectType)
+		out.Int32(int32(x.ObjectType))
 		if vv, ok := ObjectType_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"payloadLength\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"payloadLength\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.PayloadLength)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.PayloadLength, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"payloadHash\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"payloadHash\":"
 		out.RawString(prefix)
 		x.PayloadHash.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"homomorphicHash\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"homomorphicHash\":"
 		out.RawString(prefix)
 		x.HomomorphicHash.MarshalEasyJSON(out)
 	}
@ -423,15 +378,7 @@ func (x *ShortHeader) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "creationEpoch":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.CreationEpoch = f
 			}
 		case "ownerID":
@ -466,15 +413,7 @@ func (x *ShortHeader) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "payloadLength":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.PayloadLength = f
 			}
 		case "payloadHash":
@ -600,25 +539,14 @@ func (x *Header_Attribute) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"key\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		out.String(x.Key)
 	}
 	{
-		if !first {
+		const prefix string = ",\"value\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		out.String(x.Value)
 	}
@ -869,55 +797,29 @@ func (x *Header_Split) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"parent\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"parent\":"
 		out.RawString(prefix)
 		x.Parent.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"previous\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"previous\":"
 		out.RawString(prefix)
 		x.Previous.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"parentSignature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"parentSignature\":"
 		out.RawString(prefix)
 		x.ParentSignature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"parentHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"parentHeader\":"
 		out.RawString(prefix)
 		x.ParentHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"children\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"children\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Children {
@ -929,18 +831,9 @@ func (x *Header_Split) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"splitID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"splitID\":"
 		out.RawString(prefix)
 		if x.SplitId != nil {
 		out.Base64Bytes(x.SplitId)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -1015,13 +908,7 @@ func (x *Header_Split) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "splitID":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.SplitId = f
 			}
 		}
@ -1265,93 +1152,44 @@ func (x *Header_EC) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"parent\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"parent\":"
 		out.RawString(prefix)
 		x.Parent.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"index\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"index\":"
 		out.RawString(prefix)
 		out.Uint32(x.Index)
 	}
 	{
-		if !first {
+		const prefix string = ",\"total\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"total\":"
 		out.RawString(prefix)
 		out.Uint32(x.Total)
 	}
 	{
-		if !first {
+		const prefix string = ",\"headerLength\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"headerLength\":"
 		out.RawString(prefix)
 		out.Uint32(x.HeaderLength)
 	}
 	{
-		if !first {
+		const prefix string = ",\"header\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"header\":"
 		out.RawString(prefix)
 		if x.Header != nil {
 		out.Base64Bytes(x.Header)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"parentSplitID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"parentSplitID\":"
 		out.RawString(prefix)
 		if x.ParentSplitId != nil {
 		out.Base64Bytes(x.ParentSplitId)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"parentSplitParentID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"parentSplitParentID\":"
 		out.RawString(prefix)
 		x.ParentSplitParentId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"parentAttributes\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"parentAttributes\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.ParentAttributes {
@ -1400,67 +1238,31 @@ func (x *Header_EC) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "index":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Index = f
 			}
 		case "total":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Total = f
 			}
 		case "headerLength":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.HeaderLength = f
 			}
 		case "header":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Header = f
 			}
 		case "parentSplitID":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.ParentSplitId = f
 			}
 		case "parentSplitParentID":
@ -1823,114 +1625,54 @@ func (x *Header) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"version\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"version\":"
 		out.RawString(prefix)
 		x.Version.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"containerID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerID\":"
 		out.RawString(prefix)
 		x.ContainerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"ownerID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ownerID\":"
 		out.RawString(prefix)
 		x.OwnerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"creationEpoch\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"creationEpoch\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.CreationEpoch)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.CreationEpoch, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"payloadLength\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"payloadLength\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.PayloadLength)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.PayloadLength, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"payloadHash\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"payloadHash\":"
 		out.RawString(prefix)
 		x.PayloadHash.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"objectType\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"objectType\":"
 		out.RawString(prefix)
-		v := int32(x.ObjectType)
+		out.Int32(int32(x.ObjectType))
 		if vv, ok := ObjectType_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"homomorphicHash\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"homomorphicHash\":"
 		out.RawString(prefix)
 		x.HomomorphicHash.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"sessionToken\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"sessionToken\":"
 		out.RawString(prefix)
 		x.SessionToken.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"attributes\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"attributes\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Attributes {
@ -1942,22 +1684,12 @@ func (x *Header) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"split\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"split\":"
 		out.RawString(prefix)
 		x.Split.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"ec\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ec\":"
 		out.RawString(prefix)
 		x.Ec.MarshalEasyJSON(out)
 	}
@ -2013,29 +1745,13 @@ func (x *Header) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "creationEpoch":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.CreationEpoch = f
 			}
 		case "payloadLength":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.PayloadLength = f
 			}
 		case "payloadHash":
@ -2267,51 +1983,26 @@ func (x *Object) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"objectID\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"objectID\":"
 		out.RawString(prefix)
 		x.ObjectId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"signature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"signature\":"
 		out.RawString(prefix)
 		x.Signature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"header\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"header\":"
 		out.RawString(prefix)
 		x.Header.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"payload\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"payload\":"
 		out.RawString(prefix)
 		if x.Payload != nil {
 		out.Base64Bytes(x.Payload)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -2365,13 +2056,7 @@ func (x *Object) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "payload":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Payload = f
 			}
 		}
@ -2509,39 +2194,19 @@ func (x *SplitInfo) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"splitId\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"splitId\":"
 		out.RawString(prefix)
 		if x.SplitId != nil {
 		out.Base64Bytes(x.SplitId)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"lastPart\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"lastPart\":"
 		out.RawString(prefix)
 		x.LastPart.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"link\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"link\":"
 		out.RawString(prefix)
 		x.Link.MarshalEasyJSON(out)
 	}
@ -2576,13 +2241,7 @@ func (x *SplitInfo) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "splitId":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.SplitId = f
 			}
 		case "lastPart":
@ -2731,35 +2390,19 @@ func (x *ECInfo_Chunk) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"id\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"id\":"
 		out.RawString(prefix)
 		x.Id.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"index\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"index\":"
 		out.RawString(prefix)
 		out.Uint32(x.Index)
 	}
 	{
-		if !first {
+		const prefix string = ",\"total\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"total\":"
 		out.RawString(prefix)
 		out.Uint32(x.Total)
 	}
@ -2801,29 +2444,13 @@ func (x *ECInfo_Chunk) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "index":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Index = f
 			}
 		case "total":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Total = f
 			}
 		}
@ -2921,16 +2548,10 @@ func (x *ECInfo) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"chunks\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"chunks\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Chunks {
 			if i != 0 {
--- a/refs/grpc/types_frostfs.pb.go
+++ b/refs/grpc/types_frostfs.pb.go
@ -190,25 +190,14 @@ func (x *Address) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"containerID\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerID\":"
 		out.RawString(prefix)
 		x.ContainerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"objectID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"objectID\":"
 		out.RawString(prefix)
 		x.ObjectId.MarshalEasyJSON(out)
 	}
@ -343,21 +332,11 @@ func (x *ObjectID) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"value\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		if x.Value != nil {
 		out.Base64Bytes(x.Value)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -390,13 +369,7 @@ func (x *ObjectID) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "value":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Value = f
 			}
 		}
@ -488,21 +461,11 @@ func (x *ContainerID) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"value\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		if x.Value != nil {
 		out.Base64Bytes(x.Value)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -535,13 +498,7 @@ func (x *ContainerID) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "value":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Value = f
 			}
 		}
@ -633,21 +590,11 @@ func (x *OwnerID) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"value\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		if x.Value != nil {
 		out.Base64Bytes(x.Value)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -680,13 +627,7 @@ func (x *OwnerID) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "value":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Value = f
 			}
 		}
@ -798,25 +739,14 @@ func (x *Version) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"major\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"major\":"
 		out.RawString(prefix)
 		out.Uint32(x.Major)
 	}
 	{
-		if !first {
+		const prefix string = ",\"minor\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"minor\":"
 		out.RawString(prefix)
 		out.Uint32(x.Minor)
 	}
@ -851,29 +781,13 @@ func (x *Version) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "major":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Major = f
 			}
 		case "minor":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Minor = f
 			}
 		}
@ -1005,50 +919,21 @@ func (x *Signature) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"key\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		if x.Key != nil {
 		out.Base64Bytes(x.Key)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"signature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"signature\":"
 		out.RawString(prefix)
 		if x.Sign != nil {
 		out.Base64Bytes(x.Sign)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"scheme\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"scheme\":"
 		out.RawString(prefix)
-		v := int32(x.Scheme)
+		out.Int32(int32(x.Scheme))
 		if vv, ok := SignatureScheme_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	out.RawByte('}')
 }
@ -1081,25 +966,13 @@ func (x *Signature) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "key":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Key = f
 			}
 		case "signature":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Sign = f
 			}
 		case "scheme":
@ -1233,35 +1106,16 @@ func (x *SignatureRFC6979) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"key\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		if x.Key != nil {
 		out.Base64Bytes(x.Key)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"signature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"signature\":"
 		out.RawString(prefix)
 		if x.Sign != nil {
 		out.Base64Bytes(x.Sign)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -1294,25 +1148,13 @@ func (x *SignatureRFC6979) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "key":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Key = f
 			}
 		case "signature":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Sign = f
 			}
 		}
@ -1424,36 +1266,16 @@ func (x *Checksum) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"type\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Int32(int32(x.Type))
 			first = false
 		}
 		const prefix string = "\"type\":"
 		out.RawString(prefix)
 		v := int32(x.Type)
 		if vv, ok := ChecksumType_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"sum\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"sum\":"
 		out.RawString(prefix)
 		if x.Sum != nil {
 		out.Base64Bytes(x.Sum)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -1508,13 +1330,7 @@ func (x *Checksum) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "sum":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Sum = f
 			}
 		}
--- a/rpc/client/call_options.go
+++ b/rpc/client/call_options.go
@ -2,8 +2,6 @@ package client
 import (
 	"context"
 	"google.golang.org/grpc"
 )
 // CallOption is a messaging session option within Protobuf RPC.
@ -11,7 +9,6 @@ type CallOption func(*callParameters)
 type callParameters struct {
 	ctx context.Context // nolint:containedctx
 	dialer func(context.Context, grpc.ClientConnInterface) error
 }
 func defaultCallParameters() *callParameters {
@ -30,11 +27,3 @@ func WithContext(ctx context.Context) CallOption {
 		prm.ctx = ctx
 	}
 }
 // WithDialer returns option to specify grpc dialer. If passed, it will be
 // called after the connection is successfully created.
 func WithDialer(dialer func(context.Context, grpc.ClientConnInterface) error) CallOption {
 	return func(prm *callParameters) {
 		prm.dialer = dialer
 	}
 }
--- a/rpc/client/connect.go
+++ b/rpc/client/connect.go
@ -12,7 +12,7 @@ import (
 var errInvalidEndpoint = errors.New("invalid endpoint options")
-func (c *Client) openGRPCConn(ctx context.Context, dialer func(ctx context.Context, cc grpcstd.ClientConnInterface) error) error {
+func (c *Client) openGRPCConn(ctx context.Context) error {
 	if c.conn != nil {
 		return nil
 	}
@ -21,22 +21,16 @@ func (c *Client) openGRPCConn(ctx context.Context, dialer func(ctx context.Conte
 		return errInvalidEndpoint
 	}
 	dialCtx, cancel := context.WithTimeout(ctx, c.dialTimeout)
 	var err error
-	c.conn, err = grpcstd.NewClient(c.addr, c.grpcDialOpts...)
+	c.conn, err = grpcstd.DialContext(dialCtx, c.addr, c.grpcDialOpts...)
 	cancel()
 	if err != nil {
 		return fmt.Errorf("gRPC new client: %w", err)
 	}
 	if dialer != nil {
 		ctx, cancel := context.WithTimeout(ctx, c.dialTimeout)
 		defer cancel()
 		if err := dialer(ctx, c.conn); err != nil {
 			_ = c.conn.Close()
 		return fmt.Errorf("gRPC dial: %w", err)
 	}
 	}
 	return nil
 }
--- a/rpc/client/init.go
+++ b/rpc/client/init.go
@ -46,7 +46,7 @@ func (c *Client) Init(info common.CallMethodInfo, opts ...CallOption) (MessageRe
 		opt(prm)
 	}
-	if err := c.openGRPCConn(prm.ctx, prm.dialer); err != nil {
+	if err := c.openGRPCConn(prm.ctx); err != nil {
 		return nil, err
 	}
--- a/rpc/client/options.go
+++ b/rpc/client/options.go
@ -37,6 +37,7 @@ func (c *cfg) initDefault() {
 	c.dialTimeout = defaultDialTimeout
 	c.rwTimeout = defaultRWTimeout
 	c.grpcDialOpts = []grpc.DialOption{
 		grpc.WithBlock(),
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
 	}
 }
--- a/session/grpc/service_frostfs.pb.go
+++ b/session/grpc/service_frostfs.pb.go
@ -12,7 +12,6 @@ import (
 	easyproto "github.com/VictoriaMetrics/easyproto"
 	jlexer "github.com/mailru/easyjson/jlexer"
 	jwriter "github.com/mailru/easyjson/jwriter"
 	strconv "strconv"
 )
 type CreateRequest_Body struct {
@ -118,29 +117,16 @@ func (x *CreateRequest_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"ownerId\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"ownerId\":"
 		out.RawString(prefix)
 		x.OwnerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"expiration\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"expiration\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.Expiration)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Expiration, 10)
 		out.RawByte('"')
 	}
 	out.RawByte('}')
 }
@ -180,15 +166,7 @@ func (x *CreateRequest_Body) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "expiration":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Expiration = f
 			}
 		}
@ -347,35 +325,19 @@ func (x *CreateRequest) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
@ -537,35 +499,16 @@ func (x *CreateResponse_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"id\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"id\":"
 		out.RawString(prefix)
 		if x.Id != nil {
 		out.Base64Bytes(x.Id)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"sessionKey\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"sessionKey\":"
 		out.RawString(prefix)
 		if x.SessionKey != nil {
 		out.Base64Bytes(x.SessionKey)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -598,25 +541,13 @@ func (x *CreateResponse_Body) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "id":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Id = f
 			}
 		case "sessionKey":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.SessionKey = f
 			}
 		}
@ -775,35 +706,19 @@ func (x *CreateResponse) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaHeader\":"
 		out.RawString(prefix)
 		x.MetaHeader.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"verifyHeader\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"verifyHeader\":"
 		out.RawString(prefix)
 		x.VerifyHeader.MarshalEasyJSON(out)
 	}
--- a/session/grpc/types_frostfs.pb.go
+++ b/session/grpc/types_frostfs.pb.go
@ -179,25 +179,14 @@ func (x *ObjectSessionContext_Target) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"container\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"container\":"
 		out.RawString(prefix)
 		x.Container.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"objects\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"objects\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Objects {
@ -369,30 +358,14 @@ func (x *ObjectSessionContext) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"verb\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Int32(int32(x.Verb))
 			first = false
 		}
 		const prefix string = "\"verb\":"
 		out.RawString(prefix)
 		v := int32(x.Verb)
 		if vv, ok := ObjectSessionContext_Verb_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"target\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"target\":"
 		out.RawString(prefix)
 		x.Target.MarshalEasyJSON(out)
 	}
@ -623,40 +596,19 @@ func (x *ContainerSessionContext) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"verb\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Int32(int32(x.Verb))
 			first = false
 		}
 		const prefix string = "\"verb\":"
 		out.RawString(prefix)
 		v := int32(x.Verb)
 		if vv, ok := ContainerSessionContext_Verb_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"wildcard\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"wildcard\":"
 		out.RawString(prefix)
 		out.Bool(x.Wildcard)
 	}
 	{
-		if !first {
+		const prefix string = ",\"containerID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"containerID\":"
 		out.RawString(prefix)
 		x.ContainerId.MarshalEasyJSON(out)
 	}
@ -852,43 +804,21 @@ func (x *SessionToken_Body_TokenLifetime) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"exp\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Uint64(x.Exp)
 			first = false
 		}
 		const prefix string = "\"exp\":"
 		out.RawString(prefix)
 		out.RawByte('"')
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Exp, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"nbf\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"nbf\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.Nbf)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Nbf, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"iat\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"iat\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.Iat)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Iat, 10)
 		out.RawByte('"')
 	}
 	out.RawByte('}')
 }
@ -921,43 +851,19 @@ func (x *SessionToken_Body_TokenLifetime) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "exp":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Exp = f
 			}
 		case "nbf":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Nbf = f
 			}
 		case "iat":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Iat = f
 			}
 		}
@ -1179,76 +1085,37 @@ func (x *SessionToken_Body) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"id\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"id\":"
 		out.RawString(prefix)
 		if x.Id != nil {
 		out.Base64Bytes(x.Id)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"ownerID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ownerID\":"
 		out.RawString(prefix)
 		x.OwnerId.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"lifetime\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"lifetime\":"
 		out.RawString(prefix)
 		x.Lifetime.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"sessionKey\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"sessionKey\":"
 		out.RawString(prefix)
 		if x.SessionKey != nil {
 		out.Base64Bytes(x.SessionKey)
 		} else {
 			out.String("")
 		}
 	}
 	switch xx := x.Context.(type) {
 	case *SessionToken_Body_Object:
 		{
-			if !first {
+			const prefix string = ",\"object\":"
 				out.RawByte(',')
 			} else {
 				first = false
 			}
 			const prefix string = "\"object\":"
 			out.RawString(prefix)
 			xx.Object.MarshalEasyJSON(out)
 		}
 	case *SessionToken_Body_Container:
 		{
-			if !first {
+			const prefix string = ",\"container\":"
 				out.RawByte(',')
 			} else {
 				first = false
 			}
 			const prefix string = "\"container\":"
 			out.RawString(prefix)
 			xx.Container.MarshalEasyJSON(out)
 		}
@ -1284,13 +1151,7 @@ func (x *SessionToken_Body) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "id":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Id = f
 			}
 		case "ownerID":
@ -1310,13 +1171,7 @@ func (x *SessionToken_Body) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "sessionKey":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.SessionKey = f
 			}
 		case "object":
@ -1468,25 +1323,14 @@ func (x *SessionToken) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"body\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"body\":"
 		out.RawString(prefix)
 		x.Body.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"signature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"signature\":"
 		out.RawString(prefix)
 		x.Signature.MarshalEasyJSON(out)
 	}
@ -1641,25 +1485,14 @@ func (x *XHeader) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"key\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"key\":"
 		out.RawString(prefix)
 		out.String(x.Key)
 	}
 	{
-		if !first {
+		const prefix string = ",\"value\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		out.String(x.Value)
 	}
@ -1950,47 +1783,24 @@ func (x *RequestMetaHeader) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"version\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"version\":"
 		out.RawString(prefix)
 		x.Version.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"epoch\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"epoch\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.Epoch)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Epoch, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"ttl\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ttl\":"
 		out.RawString(prefix)
 		out.Uint32(x.Ttl)
 	}
 	{
-		if !first {
+		const prefix string = ",\"xHeaders\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"xHeaders\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.XHeaders {
@ -2002,46 +1812,24 @@ func (x *RequestMetaHeader) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"sessionToken\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"sessionToken\":"
 		out.RawString(prefix)
 		x.SessionToken.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"bearerToken\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"bearerToken\":"
 		out.RawString(prefix)
 		x.BearerToken.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"origin\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"origin\":"
 		out.RawString(prefix)
 		x.Origin.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"magicNumber\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"magicNumber\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.MagicNumber)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.MagicNumber, 10)
 		out.RawByte('"')
 	}
 	out.RawByte('}')
 }
@ -2081,29 +1869,13 @@ func (x *RequestMetaHeader) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "epoch":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Epoch = f
 			}
 		case "ttl":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Ttl = f
 			}
 		case "xHeaders":
@ -2144,15 +1916,7 @@ func (x *RequestMetaHeader) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "magicNumber":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.MagicNumber = f
 			}
 		}
@ -2359,47 +2123,24 @@ func (x *ResponseMetaHeader) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"version\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"version\":"
 		out.RawString(prefix)
 		x.Version.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"epoch\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"epoch\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.Epoch)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.Epoch, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"ttl\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"ttl\":"
 		out.RawString(prefix)
 		out.Uint32(x.Ttl)
 	}
 	{
-		if !first {
+		const prefix string = ",\"xHeaders\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"xHeaders\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.XHeaders {
@ -2411,22 +2152,12 @@ func (x *ResponseMetaHeader) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"origin\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"origin\":"
 		out.RawString(prefix)
 		x.Origin.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"status\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"status\":"
 		out.RawString(prefix)
 		x.Status.MarshalEasyJSON(out)
 	}
@ -2468,29 +2199,13 @@ func (x *ResponseMetaHeader) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "epoch":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.Epoch = f
 			}
 		case "ttl":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Ttl = f
 			}
 		case "xHeaders":
@ -2682,45 +2397,24 @@ func (x *RequestVerificationHeader) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"bodySignature\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"bodySignature\":"
 		out.RawString(prefix)
 		x.BodySignature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaSignature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaSignature\":"
 		out.RawString(prefix)
 		x.MetaSignature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"originSignature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"originSignature\":"
 		out.RawString(prefix)
 		x.OriginSignature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"origin\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"origin\":"
 		out.RawString(prefix)
 		x.Origin.MarshalEasyJSON(out)
 	}
@ -2941,45 +2635,24 @@ func (x *ResponseVerificationHeader) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"bodySignature\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"bodySignature\":"
 		out.RawString(prefix)
 		x.BodySignature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"metaSignature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"metaSignature\":"
 		out.RawString(prefix)
 		x.MetaSignature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"originSignature\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"originSignature\":"
 		out.RawString(prefix)
 		x.OriginSignature.MarshalEasyJSON(out)
 	}
 	{
-		if !first {
+		const prefix string = ",\"origin\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"origin\":"
 		out.RawString(prefix)
 		x.Origin.MarshalEasyJSON(out)
 	}
--- a/status/grpc/types_frostfs.pb.go
+++ b/status/grpc/types_frostfs.pb.go
@ -368,31 +368,16 @@ func (x *Status_Detail) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"id\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"id\":"
 		out.RawString(prefix)
 		out.Uint32(x.Id)
 	}
 	{
-		if !first {
+		const prefix string = ",\"value\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"value\":"
 		out.RawString(prefix)
 		if x.Value != nil {
 		out.Base64Bytes(x.Value)
 		} else {
 			out.String("")
 		}
 	}
 	out.RawByte('}')
 }
@ -425,27 +410,13 @@ func (x *Status_Detail) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "id":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Id = f
 			}
 		case "value":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.Value = f
 			}
 		}
@ -583,35 +554,19 @@ func (x *Status) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"code\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"code\":"
 		out.RawString(prefix)
 		out.Uint32(x.Code)
 	}
 	{
-		if !first {
+		const prefix string = ",\"message\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"message\":"
 		out.RawString(prefix)
 		out.String(x.Message)
 	}
 	{
-		if !first {
+		const prefix string = ",\"details\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"details\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Details {
@ -653,15 +608,7 @@ func (x *Status) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "code":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.Code = f
 			}
 		case "message":
--- a/status/status.go
+++ b/status/status.go
@ -63,8 +63,6 @@ const (
 	SignatureVerificationFail
 	// NodeUnderMaintenance is a local Code value for NODE_UNDER_MAINTENANCE status.
 	NodeUnderMaintenance
 	// InvalidArgument is a local Code value for INVALID_ARGUMENT status.
 	InvalidArgument
 )
 const (
--- a/tombstone/grpc/types_frostfs.pb.go
+++ b/tombstone/grpc/types_frostfs.pb.go
@ -12,7 +12,6 @@ import (
 	easyproto "github.com/VictoriaMetrics/easyproto"
 	jlexer "github.com/mailru/easyjson/jlexer"
 	jwriter "github.com/mailru/easyjson/jwriter"
 	strconv "strconv"
 )
 type Tombstone struct {
@ -141,41 +140,19 @@ func (x *Tombstone) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"expirationEpoch\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
-		} else {
+		out.Uint64(x.ExpirationEpoch)
 			first = false
 		}
 		const prefix string = "\"expirationEpoch\":"
 		out.RawString(prefix)
 		out.RawByte('"')
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.ExpirationEpoch, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"splitID\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"splitID\":"
 		out.RawString(prefix)
 		if x.SplitId != nil {
 		out.Base64Bytes(x.SplitId)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"members\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"members\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.Members {
@ -217,27 +194,13 @@ func (x *Tombstone) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "expirationEpoch":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.ExpirationEpoch = f
 			}
 		case "splitID":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.SplitId = f
 			}
 		case "members":
--- a/util/proto/marshal_test.go
+++ b/util/proto/marshal_test.go
@ -26,35 +26,12 @@ func nonZero[T protoInt]() T {
 func TestStableMarshalSingle(t *testing.T) {
 	t.Run("empty", func(t *testing.T) {
 		t.Run("proto", func(t *testing.T) {
 		input := &generated.Primitives{}
 		require.Zero(t, input.StableSize())
 		r := input.MarshalProtobuf(nil)
 		require.Empty(t, r)
 	})
 		t.Run("json", func(t *testing.T) {
 			input := &generated.Primitives{}
 			r, err := input.MarshalJSON()
 			require.NoError(t, err)
 			require.NotEmpty(t, r)
 			var actual test.Primitives
 			require.NoError(t, protojson.Unmarshal(r, &actual))
 			t.Run("protojson compatibility", func(t *testing.T) {
 				data, err := protojson.MarshalOptions{EmitUnpopulated: true}.Marshal(&actual)
 				require.NoError(t, err)
 				require.JSONEq(t, string(data), string(r))
 			})
 			var actualFrostfs generated.Primitives
 			require.NoError(t, actualFrostfs.UnmarshalJSON(r))
 			require.Equal(t, input, &actualFrostfs)
 			primitivesEqual(t, input, &actual)
 		})
 	})
 	marshalCases := []struct {
 		name  string
@ -99,12 +76,6 @@ func TestStableMarshalSingle(t *testing.T) {
 				var actual test.Primitives
 				require.NoError(t, protojson.Unmarshal(r, &actual))
 				t.Run("protojson compatibility", func(t *testing.T) {
 					data, err := protojson.MarshalOptions{EmitUnpopulated: true}.Marshal(&actual)
 					require.NoError(t, err)
 					require.JSONEq(t, string(data), string(r))
 				})
 				var actualFrostfs generated.Primitives
 				require.NoError(t, actualFrostfs.UnmarshalJSON(r))
 				require.Equal(t, tc.input, &actualFrostfs)
@ -117,7 +88,6 @@ func TestStableMarshalSingle(t *testing.T) {
 func primitivesEqual(t *testing.T, a *generated.Primitives, b *test.Primitives) {
 	// Compare each field directly, because proto-generated code has private fields.
 	require.Equal(t, len(a.FieldA), len(b.FieldA))
 	require.Equal(t, a.FieldA, b.FieldA)
 	require.Equal(t, a.FieldB, b.FieldB)
 	require.Equal(t, a.FieldC, b.FieldC)
--- a/util/proto/test/custom/test_frostfs.pb.go
+++ b/util/proto/test/custom/test_frostfs.pb.go
@ -130,16 +130,10 @@ func (x *Primitives_Aux) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"innerField\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"innerField\":"
 		out.RawString(prefix)
 		out.Uint32(x.InnerField)
 	}
 	out.RawByte('}')
@ -173,15 +167,7 @@ func (x *Primitives_Aux) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "innerField":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.InnerField = f
 			}
 		}
@ -574,168 +560,78 @@ func (x *Primitives) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"fieldA\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldA\":"
 		out.RawString(prefix)
 		if x.FieldA != nil {
 		out.Base64Bytes(x.FieldA)
 		} else {
 			out.String("")
 		}
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldB\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldB\":"
 		out.RawString(prefix)
 		out.String(x.FieldB)
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldC\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldC\":"
 		out.RawString(prefix)
 		out.Bool(x.FieldC)
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldD\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldD\":"
 		out.RawString(prefix)
 		out.Int32(x.FieldD)
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldE\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldE\":"
 		out.RawString(prefix)
 		out.Uint32(x.FieldE)
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldF\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldF\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Int64(x.FieldF)
 		out.Buffer.Buf = strconv.AppendInt(out.Buffer.Buf, x.FieldF, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldG\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldG\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.FieldG)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.FieldG, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldI\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldI\":"
 		out.RawString(prefix)
-		out.RawByte('"')
+		out.Uint64(x.FieldI)
 		out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.FieldI, 10)
 		out.RawByte('"')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldJ\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldJ\":"
 		out.RawString(prefix)
 		out.Float64(x.FieldJ)
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldK\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldK\":"
 		out.RawString(prefix)
 		out.Uint32(x.FieldK)
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldH\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldH\":"
 		out.RawString(prefix)
-		v := int32(x.FieldH)
+		out.Int32(int32(x.FieldH))
 		if vv, ok := Primitives_SomeEnum_name[v]; ok {
 			out.String(vv)
 		} else {
 			out.Int32(v)
 		}
 	}
 	switch xx := x.FieldM.(type) {
 	case *Primitives_FieldMa:
 		{
-			if !first {
+			const prefix string = ",\"fieldMa\":"
 				out.RawByte(',')
 			} else {
 				first = false
 			}
 			const prefix string = "\"fieldMa\":"
 			out.RawString(prefix)
 			if xx.FieldMa != nil {
 			out.Base64Bytes(xx.FieldMa)
 			} else {
 				out.String("")
 			}
 		}
 	case *Primitives_FieldMe:
 		{
-			if !first {
+			const prefix string = ",\"fieldMe\":"
 				out.RawByte(',')
 			} else {
 				first = false
 			}
 			const prefix string = "\"fieldMe\":"
 			out.RawString(prefix)
 			out.Uint32(xx.FieldMe)
 		}
 	case *Primitives_FieldAux:
 		{
-			if !first {
+			const prefix string = ",\"fieldAux\":"
 				out.RawByte(',')
 			} else {
 				first = false
 			}
 			const prefix string = "\"fieldAux\":"
 			out.RawString(prefix)
 			xx.FieldAux.MarshalEasyJSON(out)
 		}
@ -771,13 +667,7 @@ func (x *Primitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "fieldA":
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				x.FieldA = f
 			}
 		case "fieldB":
@ -795,71 +685,31 @@ func (x *Primitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "fieldD":
 			{
 				var f int32
-				r := in.JsonNumber()
+				f = in.Int32()
 				n := r.String()
 				v, err := strconv.ParseInt(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := int32(v)
 				f = pv
 				x.FieldD = f
 			}
 		case "fieldE":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.FieldE = f
 			}
 		case "fieldF":
 			{
 				var f int64
-				r := in.JsonNumber()
+				f = in.Int64()
 				n := r.String()
 				v, err := strconv.ParseInt(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := int64(v)
 				f = pv
 				x.FieldF = f
 			}
 		case "fieldG":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.FieldG = f
 			}
 		case "fieldI":
 			{
 				var f uint64
-				r := in.JsonNumber()
+				f = in.Uint64()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 64)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint64(v)
 				f = pv
 				x.FieldI = f
 			}
 		case "fieldJ":
@ -871,15 +721,7 @@ func (x *Primitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "fieldK":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.FieldK = f
 			}
 		case "fieldH":
@ -909,13 +751,7 @@ func (x *Primitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 			x.FieldM = xx
 			{
 				var f []byte
-				{
+				f = in.Bytes()
 					tmp := in.Bytes()
 					if len(tmp) == 0 {
 						tmp = nil
 					}
 					f = tmp
 				}
 				xx.FieldMa = f
 			}
 		case "fieldMe":
@ -923,15 +759,7 @@ func (x *Primitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 			x.FieldM = xx
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				xx.FieldMe = f
 			}
 		case "fieldAux":
@ -1054,16 +882,10 @@ func (x *RepPrimitives_Aux) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"innerField\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"innerField\":"
 		out.RawString(prefix)
 		out.Uint32(x.InnerField)
 	}
 	out.RawByte('}')
@ -1097,15 +919,7 @@ func (x *RepPrimitives_Aux) UnmarshalEasyJSON(in *jlexer.Lexer) {
 		case "innerField":
 			{
 				var f uint32
-				r := in.JsonNumber()
+				f = in.Uint32()
 				n := r.String()
 				v, err := strconv.ParseUint(n, 10, 32)
 				if err != nil {
 					in.AddError(err)
 					return
 				}
 				pv := uint32(v)
 				f = pv
 				x.InnerField = f
 			}
 		}
@ -1350,36 +1164,21 @@ func (x *RepPrimitives) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawString("null")
 		return
 	}
 	first := true
 	out.RawByte('{')
 	{
-		if !first {
+		const prefix string = ",\"fieldA\":"
-			out.RawByte(',')
+		out.RawString(prefix[1:])
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldA\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.FieldA {
 			if i != 0 {
 				out.RawByte(',')
 			}
 			if x.FieldA[i] != nil {
 			out.Base64Bytes(x.FieldA[i])
 			} else {
 				out.String("")
 			}
 		}
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldB\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldB\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.FieldB {
@ -1391,12 +1190,7 @@ func (x *RepPrimitives) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldC\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldC\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.FieldC {
@ -1408,12 +1202,7 @@ func (x *RepPrimitives) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldD\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldD\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.FieldD {
@ -1425,69 +1214,43 @@ func (x *RepPrimitives) MarshalEasyJSON(out *jwriter.Writer) {
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldE\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldE\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.FieldE {
 			if i != 0 {
 				out.RawByte(',')
 			}
-			out.RawByte('"')
+			out.Int64(x.FieldE[i])
 			out.Buffer.Buf = strconv.AppendInt(out.Buffer.Buf, x.FieldE[i], 10)
 			out.RawByte('"')
 		}
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldF\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldF\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.FieldF {
 			if i != 0 {
 				out.RawByte(',')
 			}
-			out.RawByte('"')
+			out.Uint64(x.FieldF[i])
 			out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.FieldF[i], 10)
 			out.RawByte('"')
 		}
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldFu\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldFu\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.FieldFu {
 			if i != 0 {
 				out.RawByte(',')
 			}
-			out.RawByte('"')
+			out.Uint64(x.FieldFu[i])
 			out.Buffer.Buf = strconv.AppendUint(out.Buffer.Buf, x.FieldFu[i], 10)
 			out.RawByte('"')
 		}
 		out.RawByte(']')
 	}
 	{
-		if !first {
+		const prefix string = ",\"fieldAux\":"
 			out.RawByte(',')
 		} else {
 			first = false
 		}
 		const prefix string = "\"fieldAux\":"
 		out.RawString(prefix)
 		out.RawByte('[')
 		for i := range x.FieldAux {
@ -1532,13 +1295,7 @@ func (x *RepPrimitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 				var list [][]byte
 				in.Delim('[')
 				for !in.IsDelim(']') {
-					{
+					f = in.Bytes()
 						tmp := in.Bytes()
 						if len(tmp) == 0 {
 							tmp = nil
 						}
 						f = tmp
 					}
 					list = append(list, f)
 					in.WantComma()
 				}
@ -1564,15 +1321,7 @@ func (x *RepPrimitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 				var list []int32
 				in.Delim('[')
 				for !in.IsDelim(']') {
-					r := in.JsonNumber()
+					f = in.Int32()
 					n := r.String()
 					v, err := strconv.ParseInt(n, 10, 32)
 					if err != nil {
 						in.AddError(err)
 						return
 					}
 					pv := int32(v)
 					f = pv
 					list = append(list, f)
 					in.WantComma()
 				}
@ -1585,15 +1334,7 @@ func (x *RepPrimitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 				var list []uint32
 				in.Delim('[')
 				for !in.IsDelim(']') {
-					r := in.JsonNumber()
+					f = in.Uint32()
 					n := r.String()
 					v, err := strconv.ParseUint(n, 10, 32)
 					if err != nil {
 						in.AddError(err)
 						return
 					}
 					pv := uint32(v)
 					f = pv
 					list = append(list, f)
 					in.WantComma()
 				}
@ -1606,15 +1347,7 @@ func (x *RepPrimitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 				var list []int64
 				in.Delim('[')
 				for !in.IsDelim(']') {
-					r := in.JsonNumber()
+					f = in.Int64()
 					n := r.String()
 					v, err := strconv.ParseInt(n, 10, 64)
 					if err != nil {
 						in.AddError(err)
 						return
 					}
 					pv := int64(v)
 					f = pv
 					list = append(list, f)
 					in.WantComma()
 				}
@ -1627,15 +1360,7 @@ func (x *RepPrimitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 				var list []uint64
 				in.Delim('[')
 				for !in.IsDelim(']') {
-					r := in.JsonNumber()
+					f = in.Uint64()
 					n := r.String()
 					v, err := strconv.ParseUint(n, 10, 64)
 					if err != nil {
 						in.AddError(err)
 						return
 					}
 					pv := uint64(v)
 					f = pv
 					list = append(list, f)
 					in.WantComma()
 				}
@ -1648,15 +1373,7 @@ func (x *RepPrimitives) UnmarshalEasyJSON(in *jlexer.Lexer) {
 				var list []uint64
 				in.Delim('[')
 				for !in.IsDelim(']') {
-					r := in.JsonNumber()
+					f = in.Uint64()
 					n := r.String()
 					v, err := strconv.ParseUint(n, 10, 64)
 					if err != nil {
 						in.AddError(err)
 						return
 					}
 					pv := uint64(v)
 					f = pv
 					list = append(list, f)
 					in.WantComma()
 				}
--- a/util/protogen/internalgengo/json.go
+++ b/util/protogen/internalgengo/json.go
@ -59,35 +59,6 @@ func emitJSONUnmarshal(g *protogen.GeneratedFile, msg *protogen.Message) {
 	g.P("}")
 }
 func emitJSONParseInteger(g *protogen.GeneratedFile, ident string, method string, bitSize int, typ string) {
 	g.P("r := in.JsonNumber()")
 	g.P("n := r.String()")
 	g.P("v, err := ", strconvPackage.Ident(method), "(n, 10, ", bitSize, ")")
 	g.P("if err != nil {")
 	g.P("	in.AddError(err)")
 	g.P("	return")
 	g.P("}")
 	g.P(ident, " := ", typ, "(v)")
 }
 func emitJSONReadEnum(g *protogen.GeneratedFile, name string, enumType string) {
 	g.P(`switch v := in.Interface().(type) {
 	case string:
 		if vv, ok := `+enumType+`_value[v]; ok {
 			`+name+` = `+enumType+`(vv)
 			break
 		}
 		vv, err := `, strconvPackage.Ident("ParseInt"), `(v, 10, 32)
 		if err != nil {
 			in.AddError(err)
 			return
 		}
 		`+name+` = `+enumType+`(vv)
 	case float64:
 		`+name+` = `+enumType+`(v)
 	}`)
 }
 func emitJSONFieldRead(g *protogen.GeneratedFile, f *protogen.Field, name string) {
 	g.P("{")
 	defer g.P("}")
@ -112,20 +83,30 @@ func emitJSONFieldRead(g *protogen.GeneratedFile, f *protogen.Field, name string
 		enumType := fieldType(g, f).String()
 		g.P("var parsedValue " + enumType)
-		emitJSONReadEnum(g, "parsedValue", enumType)
+		g.P(`switch v := in.Interface().(type) {
 		case string:
 			if vv, ok := `+enumType+`_value[v]; ok {
 				parsedValue = `+enumType+`(vv)
 				break
 			}
 			vv, err := `, strconvPackage.Ident("ParseInt"), `(v, 10, 32)
 			if err != nil {
 				in.AddError(err)
 				return
 			}
 			parsedValue = `+enumType+`(vv)
 		case float64:
 			parsedValue = `+enumType+`(v)
 		}`)
 		template = "%s = parsedValue"
 	case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind:
-		emitJSONParseInteger(g, "pv", "ParseInt", 32, "int32")
+		template = "%s = in.Int32()"
 		template = "%s = pv"
 	case protoreflect.Uint32Kind, protoreflect.Fixed32Kind:
-		emitJSONParseInteger(g, "pv", "ParseUint", 32, "uint32")
+		template = "%s = in.Uint32()"
 		template = "%s = pv"
 	case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
-		emitJSONParseInteger(g, "pv", "ParseInt", 64, "int64")
+		template = "%s = in.Int64()"
 		template = "%s = pv"
 	case protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
-		emitJSONParseInteger(g, "pv", "ParseUint", 64, "uint64")
+		template = "%s = in.Uint64()"
 		template = "%s = pv"
 	case protoreflect.FloatKind:
 		template = "%s = in.Float32()"
 	case protoreflect.DoubleKind:
@ -133,17 +114,7 @@ func emitJSONFieldRead(g *protogen.GeneratedFile, f *protogen.Field, name string
 	case protoreflect.StringKind:
 		template = "%s = in.String()"
 	case protoreflect.BytesKind:
-		// Since some time ago proto3 support optional keyword, thus the presence is not tracked by default:
+		template = "%s = in.Bytes()"
 		// https://github.com/protocolbuffers/protobuf-go/blob/fb995f184a1719ec42b247a3771d1036d92adf67/internal/impl/message_reflect_field.go#L327
 		// We do not explicitly support `optional` keyword, protoc will fail on such fileds.
 		// Thus, treat empty string as `[]byte(nil)`.
 		template = `{
 			tmp := in.Bytes()
 			if len(tmp) == 0 {
 				tmp = nil
 			}
 			%s = tmp
 		}`
 	case protoreflect.MessageKind:
 		if f.Desc.IsList() {
 			g.P("f = ", fieldType(g, f)[2:], "{}")
@ -176,11 +147,8 @@ func emitJSONMarshal(g *protogen.GeneratedFile, msg *protogen.Message) {
 	g.P("func (x *", msg.GoIdent.GoName, ") MarshalEasyJSON(out *", jwriterPackage.Ident("Writer"), ") {")
 	g.P(`if x == nil { out.RawString("null"); return }`)
 	if len(msg.Fields) != 0 {
 		g.P("first := true")
 	}
 	g.P("out.RawByte('{')")
-	for _, f := range msg.Fields {
+	for i, f := range msg.Fields {
 		if f.Oneof != nil {
 			if f.Oneof.Fields[0] != f {
 				continue
@ -189,38 +157,29 @@ func emitJSONMarshal(g *protogen.GeneratedFile, msg *protogen.Message) {
 			g.P("switch xx := x.", f.Oneof.GoName, ".(type) {")
 			for _, ff := range f.Oneof.Fields {
 				g.P("case *", ff.GoIdent, ":")
-				emitJSONFieldWrite(g, ff, "xx")
+				emitJSONFieldWrite(g, ff, "xx", i == 0)
 			}
 			g.P("}")
 			continue
 		}
-		emitJSONFieldWrite(g, f, "x")
+		emitJSONFieldWrite(g, f, "x", i == 0)
 	}
 	g.P("out.RawByte('}')")
 	g.P("}")
 }
-func emitJSONFieldWrite(g *protogen.GeneratedFile, f *protogen.Field, name string) {
+func emitJSONFieldWrite(g *protogen.GeneratedFile, f *protogen.Field, name string, first bool) {
 	g.P("{")
 	defer g.P("}")
-	selector := name + "." + f.GoName
+	g.P("const prefix string = ", `",\"`, fieldJSONName(f), `\":"`)
-
+	if first {
-	// This code is responsible for ignoring default values.
+		g.P("out.RawString(prefix[1:])")
-	// We will restore it after having parametrized JSON marshaling.
+	} else {
 	//
 	// isNotDefault := notNil
 	// if f.Desc.IsList() {
 	// 	isNotDefault = notEmpty
 	// } else if f.Desc.Kind() != protoreflect.MessageKind {
 	// 	_, isNotDefault = easyprotoKindInfo(f.Desc.Kind())
 	// }
 	// g.P("if ", isNotDefault(selector), "{")
 	// defer g.P("}")
 	g.P("if !first { out.RawByte(','); } else { first = false; }")
 	g.P("const prefix string = ", `"\"`, fieldJSONName(f), `\":"`)
 		g.P("out.RawString(prefix)")
 	}
 	selector := name + "." + f.GoName
 	if f.Desc.IsList() {
 		selector += "[i]"
 		g.P("out.RawByte('[')")
@ -236,27 +195,15 @@ func emitJSONFieldWrite(g *protogen.GeneratedFile, f *protogen.Field, name strin
 	case protoreflect.BoolKind:
 		template = "out.Bool(%s)"
 	case protoreflect.EnumKind:
-		enumType := fieldType(g, f).String()
+		template = "out.Int32(int32(%s))"
 		template = `v := int32(%s)
 			if vv, ok := ` + enumType + `_name[v]; ok {
 				out.String(vv)
 			} else {
 				out.Int32(v)
 			}`
 	case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind:
 		template = "out.Int32(%s)"
 	case protoreflect.Uint32Kind, protoreflect.Fixed32Kind:
 		template = "out.Uint32(%s)"
 	case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
-		g.P("out.RawByte('\"')")
+		template = "out.Int64(%s)"
 		g.P("out.Buffer.Buf = ", strconvPackage.Ident("AppendInt"), "(out.Buffer.Buf, ", selector, ", 10)")
 		g.P("out.RawByte('\"')")
 		return
 	case protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
-		g.P("out.RawByte('\"')")
+		template = "out.Uint64(%s)"
 		g.P("out.Buffer.Buf = ", strconvPackage.Ident("AppendUint"), "(out.Buffer.Buf, ", selector, ", 10)")
 		g.P("out.RawByte('\"')")
 		return
 	case protoreflect.FloatKind:
 		template = "out.Float32(%s)"
 	case protoreflect.DoubleKind:
@ -264,10 +211,7 @@ func emitJSONFieldWrite(g *protogen.GeneratedFile, f *protogen.Field, name strin
 	case protoreflect.StringKind:
 		template = "out.String(%s)"
 	case protoreflect.BytesKind:
-		g.P("if ", selector, "!= nil {")
+		template = "out.Base64Bytes(%s)"
 		g.P("out.Base64Bytes(", selector, ")")
 		g.P("} else { out.String(\"\") }")
 		return
 	case protoreflect.MessageKind:
 		template = "%s.MarshalEasyJSON(out)"
 	case protoreflect.GroupKind:
		`@ -0,0 +1 @@`
							`* @TrueCloudLab/storage-core @TrueCloudLab/storage-services @TrueCloudLab/committers`
		`@ -1,2 +0,0 @@`
			`.* @TrueCloudLab/storage-core-committers @TrueCloudLab/storage-core-developers @TrueCloudLab/storage-services-committers @TrueCloudLab/storage-services-developers`
			`.forgejo/.* @potyarkin`